D must be perpendicular to a because d is parallel to c. c is perpendicular to b. b is parallel to a.
30-8.25= 21.75
21.75/3.75= 5.8, you can't buy .8 of a soda so he could buy 5 sodas.
Answer:
There are four (4) basic properties of real numbers: namely; commutative, associative, distributive and identity. These properties only apply to the operations of addition and multiplication. That means subtraction and division do not have these properties built in.
Step-by-step explanation: